X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_net%2Frte_ip.h;fp=lib%2Flibrte_net%2Frte_ip.h;h=f42844e9da21478c140bc6f876ea6a848cda332b;hb=cc8f4d020c0b7c721e3056bc6aef331672dd95c6;hp=dd159be75746b977a4070f1514960e6a22028b4e;hpb=0e8d0d8f05de9a5c7cfab626cf82e9aae0db4fd5;p=dpdk.git

diff --git a/lib/librte_net/rte_ip.h b/lib/librte_net/rte_ip.h
index dd159be757..f42844e9da 100644
--- a/lib/librte_net/rte_ip.h
+++ b/lib/librte_net/rte_ip.h
@@ -105,6 +105,18 @@ struct ipv4_hdr {
 					   (((c) & 0xff) << 8)  | \
 					   ((d) & 0xff))
 
+/* Fragment Offset * Flags. */
+#define	IPV4_HDR_DF_SHIFT	14
+#define	IPV4_HDR_MF_SHIFT	13
+#define	IPV4_HDR_FO_SHIFT	3
+
+#define	IPV4_HDR_DF_FLAG	(1 << IPV4_HDR_DF_SHIFT)
+#define	IPV4_HDR_MF_FLAG	(1 << IPV4_HDR_MF_SHIFT)
+
+#define	IPV4_HDR_OFFSET_MASK	((1 << IPV4_HDR_MF_SHIFT) - 1)
+
+#define	IPV4_HDR_OFFSET_UNITS	8
+
 /* IPv4 protocols */
 #define IPPROTO_IP         0  /**< dummy for IP */
 #define IPPROTO_HOPOPTS    0  /**< IP6 hop-by-hop options */